package cn.wolfcode.luowowo.website.util;

import cn.wolfcode.luowowo.member.domain.UserInfo;
import cn.wolfcode.luowowo.service.IUserInfoRedisService;
import cn.wolfcode.luowowo.website.annotation.UserParam;
import com.alibaba.dubbo.config.annotation.Reference;
import org.springframework.core.MethodParameter;
import org.springframework.web.bind.support.WebDataBinderFactory;
import org.springframework.web.context.request.NativeWebRequest;
import org.springframework.web.method.support.HandlerMethodArgumentResolver;
import org.springframework.web.method.support.ModelAndViewContainer;

import javax.servlet.http.HttpServletRequest;

public class UserInfoArgumentResolver implements HandlerMethodArgumentResolver {

    @Reference
    private IUserInfoRedisService userInfoRedisService;


    @Override
    public boolean supportsParameter(MethodParameter methodParameter) {
        return methodParameter.getParameterType() == UserInfo.class
                && methodParameter.hasParameterAnnotation(UserParam.class);
    }

    @Override
    public Object resolveArgument(MethodParameter methodParameter, ModelAndViewContainer modelAndViewContainer,
                                  NativeWebRequest nativeWebRequest, WebDataBinderFactory webDataBinderFactory) throws Exception {

        HttpServletRequest request = nativeWebRequest.getNativeRequest(HttpServletRequest.class);
        String token = CookieUtil.getTokenByCookie(request);
        //记得将redis缓存的用户信息更新失效时间
        if (token != null) {
            UserInfo userInfo = userInfoRedisService.getUserInfoByToken(token);
            return userInfo;
        }
        return null;
    }
}
